Transport-theoretic model for the electron-proton-hydrogen atom aurora. 2: Model results

Details Transport-theoretic model for the electron-proton-hydrogen atom aurora. 2: Model results Transport-theoretic model for the electron-proton-hydrogen atom aurora. 2: Model results

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jgr....9821533s&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 98, no. A12, p. 21,533-21,548

Physics

73

Auroras, Electrons, Hydrogen Atoms, Mathematical Models, Protons, Transport Properties, Atomic Interactions, Electron Precipitation, Flux (Rate)

Scientific paper

In the companion paper (Basu et al., this issue), a self consistent transport-theoretic model for the combined electron-proton-hydrogen atom aurora was described. In this paper, numerical results based on the model are presented. This is done for the pure electron aurora, and finally for the combined aurora. Adopting commonly used types energy distributions for the incident particle (electron and proton) fluxes, we give numerical solutions for the precipitating electron, proton and hydrogen atom differential number fluxes. Results are also given for ionization yields and emission yields of the following features: N2(+) first negative group (3914 A), N2 second positive group (3371 A), selected N2 Lyman-Birge-Hopfield (LBH) bands (1325 A, 1354 A, 1383 A, 1493 A, and all bands between 1700 and 1800 A), O I (1356 A), Ly-alpha (1216A), H-beta (4861 A), and H-alpha (6563 A). The yield at 1493 A also contains a contribution from N I (1493 A), which in fact dominates LBH emission. A major new result of this study is that the secondary electron flux produced by the proton-hydrogen atom aurora is much softer than that produced by the electron aurora.

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